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Add ::MIME"text/plain" versions of show_special macros #1583

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merged 1 commit into from
Jan 29, 2024
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Add ::MIME"text/plain" versions of show_special macros #1583

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27 changes: 27 additions & 0 deletions src/AbstractAlgebra.jl
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Original file line number Diff line number Diff line change
Expand Up @@ -462,6 +462,19 @@ macro show_special(io, O)
end )
end

macro show_special(io, mime, O)
return :( begin
local i = $(esc(io))
local m = $(esc(mime))
local o = $(esc(O))
s = get_attribute(o, :show)
if s !== nothing
s(i, m, o)
return
end
end )
end

macro show_special_elem(io, e)
return :( begin
local i = $(esc(io))
Expand All @@ -475,6 +488,20 @@ macro show_special_elem(io, e)
end )
end

macro show_special_elem(io, mime, e)
return :( begin
local i = $(esc(io))
local m = $(esc(mime))
local a = $(esc(e))
local o = parent(a)
s = get_attribute(o, :show_elem)
if s !== nothing
s(i, m, a)
return
end
end )
end

###############################################################################
# generic fall back if no immediate coercion is possible
# can/ should be called for more generic general coercion mechanisms
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